Oregon Revised Statutes Occupations and Professions § 677.492

(1) If a physician is required to be responsible for the care of a patient of another health care provider with admitting privileges to a health care facility as a condition to the patient's admission to and continued care in a health care facility, the physician is not liable for the acts or omissions of the other health care provider that result in injury, death or damage to the patient unless:

(2) The immunity provided by this section applies only to a person who holds a degree of Doctor of Medicine or Doctor of Osteopathy who is licensed to practice medicine under the provisions of ORS chapter 677.

(3) The immunity provided by this section does not apply if the other health care provider is an employee, a partner or a fellow shareholder of the physician in a corporation established for the provision of health care services.